001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.http;
018    
019    import javax.servlet.http.HttpServletRequest;
020    import javax.servlet.http.HttpServletResponse;
021    
022    import org.apache.camel.ExchangePattern;
023    import org.apache.camel.impl.DefaultExchange;
024    
025    /**
026     * Represents a HTTP exchange which exposes the underlying HTTP abtractions via
027     * {@link #getRequest()} and {@link #getResponse()}
028     *
029     * @version $Revision: 684539 $
030     */
031    public class HttpExchange extends DefaultExchange {
032        private final HttpEndpoint endpoint;
033        private HttpServletRequest request;
034        private HttpServletResponse response;
035    
036        public HttpExchange(HttpEndpoint endpoint, ExchangePattern pattern) {
037            super(endpoint.getCamelContext(), pattern);
038            this.endpoint = endpoint;
039        }
040    
041        public HttpExchange(HttpEndpoint endpoint, HttpServletRequest request, HttpServletResponse response) {
042            this(endpoint, getPatternFromRequest(request));
043            this.request = request;
044            this.response = response;
045            setIn(new HttpMessage(this, request));
046        }
047    
048        /**
049         * Returns the underlying Servlet request for inbound HTTP requests
050         */
051        public HttpServletRequest getRequest() {
052            return request;
053        }
054    
055        /**
056         * Returns the underlying Servlet response for inbound HTTP requests
057         */
058        public HttpServletResponse getResponse() {
059            return response;
060        }
061    
062        public HttpEndpoint getEndpoint() {
063            return endpoint;
064        }
065    
066        protected static ExchangePattern getPatternFromRequest(HttpServletRequest request) {
067            // TODO for now just default to InOut?
068            return ExchangePattern.InOut;
069        }
070    }